101012021211020 has 48 divisors (see below), whose sum is σ = 216804811603968. Its totient is φ = 39514781933760.

The previous prime is 101012021210957. The next prime is 101012021211037. The reversal of 101012021211020 is 20112120210101.

It is a junction number, because it is equal to n+sod(n) for n = 101012021210986 and 101012021211004.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40010636 + ... + 42460275.

It is an arithmetic number, because the mean of its divisors is an integer number (4516766908416).

Almost surely, 2^{101012021211020} is an apocalyptic number.

101012021211020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101012021211020 is an abundant number, since it is smaller than the sum of its proper divisors (115792790392948).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

101012021211020 is a wasteful number, since it uses less digits than its factorization.

101012021211020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82472270 (or 82472268 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 101012021211020 its reverse (20112120210101), we get a palindrome (121124141421121).

The spelling of 101012021211020 in words is "one hundred one trillion, twelve billion, twenty-one million, two hundred eleven thousand, twenty".